A family has shared video of the moment their black daughter was sitting on a school bus - while her classmates appeared to be chanting a song about 'n******s'.
And the little girl's dad has shared the video, calling for something to be done about racism .
The shocking footage shows the expected chaos of a kids' school bus, with mobile phone filming rife.
Above the commotion, a chorus can be heard: "One, two, three, four, how many n*****s are in my store?”
In the middle of the crowd, a 13-year-old black girl was sitting, made to listen to the racial epithet by her peers - and once she had filmed the awful moment, she showed it to her dad.
In turn, Brandon Long has posted the video online to show what his child has to deal with in attending Robert Frost Middle School in Rockville, Maryland.
“Our daughter had to experience racism today on her school bus ,” Mr Long wrote, adding: “I am outraged, and I refuse to let this slide.”
The shocking video clip on his Facebook page has clocked up more than 200,000 views in little over a day.